public void LastIndexOf_int_OrderIsCorrectWithManyDuplicates(int count)
{
SegmentedList <T> list = GenericListFactory(count);
SegmentedList <T> withoutDuplicates = list.ToSegmentedList();
list.AddRange(list);
list.AddRange(list);
list.AddRange(list);
Assert.All(
Enumerable.Range(0, count),
i =>
{
Assert.All(
Enumerable.Range(0, 4),
j =>
{
int expectedIndex = (j * count) + i;
Assert.Equal(
expectedIndex,
list.LastIndexOf(withoutDuplicates[i], (count * (j + 1)) - 1)
);
Assert.Equal(
expectedIndex,
list.LastIndexOf(withoutDuplicates[i], (count * (j + 1)) - 1, count)
);
}
);
}
);
}
public void LastIndexOf_int_OutOfRangeExceptions(int count)
{
SegmentedList <T> list = GenericListFactory(count);
T element = CreateT(234);
Assert.Throws <ArgumentOutOfRangeException>(() => list.LastIndexOf(element, count)); //"ArgumentOutOfRangeException expected."
if (count == 0) // IndexOf with a 0 count List is special cased to return -1.
{
Assert.Equal(-1, list.LastIndexOf(element, -1));
}
else
{
Assert.Throws <ArgumentOutOfRangeException>(() => list.LastIndexOf(element, -1));
}
}
public void LastIndexOf_int_int_OutOfRangeExceptions(int count)
{
SegmentedList <T> list = GenericListFactory(count);
T element = CreateT(234);
if (count > 0)
{
Assert.Throws <ArgumentOutOfRangeException>(
() => list.LastIndexOf(element, 0, count + 1)
); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(
() => list.LastIndexOf(element, count / 2, count / 2 + 2)
); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(
() => list.LastIndexOf(element, 0, count + 1)
); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(() => list.LastIndexOf(element, 0, -1)); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(
() => list.LastIndexOf(element, -1, count)
); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(() => list.LastIndexOf(element, -1, 1)); //"Expected ArgumentOutOfRangeException." Assert.Throws<ArgumentOutOfRangeException>(() => list.LastIndexOf(element, count, 0)); //"Expected ArgumentOutOfRangeException."
Assert.Throws <ArgumentOutOfRangeException>(
() => list.LastIndexOf(element, count, 1)
); //"Expected ArgumentOutOfRangeException."
}
else // IndexOf with a 0 count List is special cased to return -1.
{
Assert.Equal(-1, list.LastIndexOf(element, 0, count + 1));
Assert.Equal(-1, list.LastIndexOf(element, count / 2, count / 2 + 2));
Assert.Equal(-1, list.LastIndexOf(element, 0, count + 1));
Assert.Equal(-1, list.LastIndexOf(element, 0, -1));
Assert.Equal(-1, list.LastIndexOf(element, -1, count));
Assert.Equal(-1, list.LastIndexOf(element, -1, 1));
Assert.Equal(-1, list.LastIndexOf(element, count, 0));
Assert.Equal(-1, list.LastIndexOf(element, count, 1));
}
}
